The D222NRB General Duty safety switch is service rated. Why do you say it has to be heavy-duty?
Jason Szumlanski Fafco Solar On Wed, Mar 12, 2014 at 5:32 PM, Brian Teitelbaum <[email protected]>wrote: > One big omission, in the otherwise fine Soligent white paper, is that the > 60A minimum disconnect has to be rated as "Service Equipment". Generally > this means a "Heavy-Duty" safety switch or Service-rated load center with > Main breaker. > > > > I don't see why an AC breaker panel, with a Main breaker, couldn't act as > the PV system disconnect, as long as it's Service-rated, a minimum of 60A, > and the utility does not require an external-handle disconnect, lockable in > the off position. Many utility companies still do. > > > > Brian Teitelbaum > > AEE Solar > > > > > > > > *From:* [email protected] [mailto: > [email protected]] *On Behalf Of *Jason Szumlanski > *Sent:* Wednesday, March 12, 2014 2:14 PM > *To:* RE-wrenches > *Subject:* Re: [RE-wrenches] AC Combiner with main breaker as system > disconnect > > > > Don't utter the word tap. :) > > > > See: > > http://www.soligent.net/documents/HappyLandings_v3.pdf > > > > We usually specify a fusible disconnect for overcurrent protection when > grouping the PV AC combiner with the main premises disconnect is not > practical. > > > > Jason Szumlanski > > Fafco Solar > > > > > > > On Wed, Mar 12, 2014 at 1:31 PM, <[email protected]> wrote: > > I am trying to determine whether an AC combiner panel (for multiple > inverter outputs) with main breaker can be also used as the PV system > disconnect? > > This is for a line tap situation. I am accustomed to doing these systems > with an AC combiner, and separate enclosure for a breaker style, line tap > over current protection. > > Any thoughts/comments would be appreciated. > > Thanks, > > Kevin > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: [email protected] > > Change email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: [email protected] > > Change email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > >
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